{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205547389",
    "entityType": "User",
    "nonce": "0xca90a861eebf3e6696698120ca7ee18d3be0a9afdf321c49cd71493f1d433765",
    "signature": "0xc65a0b7343c50f7f0197c8514734f98cfca81b5d76860227cb53dad9556dad7f7a28e16bd022a3fea0ca356407665ca2f005ab054d442caaf1795ab525f6cdb51b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}